@misc{indiciae5aadd24a6acf,
  title = {Analytical precision of one-sixth order semiquantitative spectrographic analysis},
  author = {J. M. Motooka and D. J. Grimes},
  year = {1976},
  doi = {10.3133/cir738},
  url = {https://pubs.usgs.gov/publication/cir738},
  note = {Source identifier: cir738}
}